baber/WOPTO huggingface dataset:
Patent WO-2021036566-A1 (WO)
Title: Information processing method and apparatus, electronic device, and medium
Inventor: YAN WEIHAO
IPC: H04L12/58
Filed: 2020-07-16
Abstract: Disclosed in embodiments of the present disclosure are an information processing method and apparatus, an electronic device, and a medium. The information processing method is applied to the electronic device, and comprises: when a group chat session interface is displayed, receiving private chat information input by a user in a message editing area of the group chat session interface, wherein the private chat information comprises private chat content and at least one private chat account, and participants of the group chat session interface comprise the at least one private chat account and other accounts; receiving a first operation input by the user; in response to the first operation, displaying the private chat information in the message display area of the group chat session interface, so that an electronic device logged in with the at least one private chat account displays the private chat content, and electronic devices logged in with other accounts do not display the private chat content.
Patent WO-2022016391-A1 (WO)
Title: Generating an audio message at a network device in response to detection of a network event
Inventor: WANG TAO
IPC: G06F15/00
Filed: 2020-07-21
Abstract: A network device for providing an audio alarm by a network device. A user interface is used to configure the network device to generate an audio message associated with detection of an event. The network device using a management tool to detect the event. The management tool triggers generation of the audio message in response to detection of the event. An audio device that includes a speaker receives the audio message. The audio message is broadcast using the speaker.
Patent WO-2022006999-A1 (WO)
Inventor: Zhao Zhuanzhuan
IPC: H04R1/22
Filed: 2020-07-23
Abstract: 本发明提供了一种MEMS麦克风，包括具有背腔的基座，与所述基座间隔设置的振膜，和覆盖于所述振膜上且与所述振膜间隔有内腔的背板；所述背板包括固定部和由所述固定部围绕并与之相连的主体部，所述主体部的中心区域向远离所述振膜的方向隆起形成凸起部。凸起部的存在，增大了主体部与振膜的距离，当声波气流通过声学孔进入内腔后，声波气流在凸起对应的内腔中流速小于内腔的平均气流流速，从而减小了压膜阻尼，进而减少了MEMS麦克风的机械噪声。
Patent WO-2022000688-A1 (WO)
Inventor: GAO LEI
IPC: H04W72/04
Filed: 2020-07-31
Abstract: Embodiments of the present invention provide an information transmission method and apparatus, being applied to the field of communications, and in particular to short-range communication, such as a cockpit domain. The method comprises: transmitting a first signal on a first time frequency resource by means of a first antenna port, wherein the first signal is used for synchronization; transmitting a first message on a second time frequency resource, wherein the first message comprises the time domain resource information and/or the cyclic prefix length information of a second time frequency resource; and transmitting a second message on a third time frequency resource. By using the embodiments of the present invention, the extensibility of a communication system can be improved.
Patent WO-2021027713-A1 (WO)
Inventor: CHEN XIAOHANG
IPC: H04W72/04
Filed: 2020-08-07
Abstract: The embodiments of the present disclosure provide an uplink transmission method, an uplink transmission control method, and a related device, said uplink transmission method comprising: receiving an uplink cancel instruction sent by a network device, said uplink cancel instruction being used for indicating a first resource; if a second resource overlaps partially or completely with the first resource, then determining according to a preset rule whether to cancel the transmission of the target uplink channel, said target uplink channel being an uplink channel corresponding to the second resource.
Patent WO-2021098299-A1 (WO)
Inventor: WEI MENGJUAN
IPC: H01L31/048
Filed: 2020-08-17
Abstract: Disclosed are an adhesive film, an anti-PID encapsulation adhesive film, a composition forming the adhesive film, and a photovoltaic module and laminated glass. The composition comprises: an ethylene copolymer matrix resin, an amide organic matter, a metal oxide and/or a metal hydroxide, wherein the metal oxide is selected from one or more of the components aluminum oxide, calcium oxide, zinc oxide, barium oxide, magnesium oxide, zirconium oxide, titanium oxide, tin oxide, vanadium oxide, antimony oxide, tantalum oxide, niobium oxide, a laminar transition metal oxide, or ZnO-doped Al 2 O 3 , CaO/SiO 2 -doped Al 2 O 3 , MgO-doped Al 2 O 3 , SiO 2 -doped ZrO 2 , and TiO 2 -doped ZrO 2  which have undergone a doping treatment, and the metal hydroxide is selected from one or more of the components calcium hydroxide, magnesium hydroxide, zinc hydroxide, aluminum hydroxide, iron hydroxide and barium hydroxide. Alternatively, the composition comprises: a matrix resin, a metal ion trapping agent and an organic co-crosslinker. The adhesive film has a good anti-PID effect, photoelectric conversion efficiency and encapsulation performance.
Patent WO-2022036623-A1 (WO)
Inventor: XING GUOZHONG
IPC: G11C11/16
Filed: 2020-08-20
Abstract: A non-external magnetic field oriented spin flip SOT-MRAM and an array. The SOT-MRAM comprises in sequence from top to bottom: a gating device (1) for turning the SOT-MRAM on or off under the action of an external voltage; a magnetic tunnel junction (2), comprising in sequence from top to bottom a ferromagnetic reference layer, a tunnelling layer, and a ferromagnetic free layer; and a spin orbit coupling layer (3), composed of one or more of heavy metal, doped heavy metal, heavy metal alloy, a double heavy metal layer, semiconductor material, two-dimensional semi-metal material, and antiferromagnetic material; an interlayer exchange coupling effect is used to produce an in-plane effective field in the ferromagnetic free layer and a spin Hall effect is used to produce spin orbit torque, in order to perform deterministic storage of data in the magnetic tunnel junction (2). Using the perpendicular anisotropy of the ferromagnetic layers, SOT-driven magnetic tunnel junction ferromagnetic free layer oriented spin flip is implemented by means of the joint effect of interlayer exchange coupling and spin transfer torque without the assistance of an external magnetic field, and a three-dimensional array structure is achieved.
Patent WO-2021135347-A1 (WO)
Inventor: LI YANG
IPC: A61B17/04
Filed: 2020-09-04
Abstract: 一种锚钉输送器（2000），用于输送锚钉（1000）并驱动锚钉（1000）锚定于组织上、锁紧穿过锚钉（1000）的人工腱索（3000）并切断人工腱索（3000）一侧；锚钉输送器（2000）包括外管（2100）、活动穿装于外管（2100）内的内管（2200）以及连接外管（2100）与内管（2200）的手柄（2400）；手柄（2400）包括固定连接外管（2100）近端的前手柄（2410）、及沿轴向活动连接前手柄（2410）的后手柄（2420），内管（2200）的近端活动连接在后手柄（2420）上；内管（2200）的远端包括一锁扣（2210），锁扣（2210）处于外管（2100）内时连接锚钉（1000），锁扣（2210）暴露于外管（2100）外时与锚钉（1000）分离。还提供一种人工腱索植入装置（100）。提供的锚钉输送器（2000）能便捷地完成锚钉（1000）的锚定、锁紧和切断人工腱索（3000）的操作，减少器械数量，简化操作步骤。
Patent WO-2021052340-A1 (WO)
Title: Passive wireless magnetic field characteristic sensing tag and sensing system
Inventor: LI ZHENBING
IPC: G06K7/10
Filed: 2020-09-16
Abstract: Disclosed are a passive wireless magnetic field characteristic sensing tag and sensing system and a passive wireless magnetic field characteristic sensing system-based magnetic field quantity acquisition method. Specifically, a passive resonant magnetic field sensor is used for integration in a board-level passive electronic tag, and an RFID technology-based magnetic field sensing system is built in cooperation with a reader-writer and a host computer to implement the highly precise and highly intelligent monitoring of the magnetic field quantity. By means of the design of the passive resonant magnetic field sensing tag that is compatible with single and dual sensor acquisition modes, the acquisition modes may be switched according to the control of the reader-writer, which solves the problems in which existing RFID technology-based small-scale magnetic field sensing systems have a single operation mode, the space for secondary development is small, and accuracy and sensitivity cannot be ensured. The solution of the present invention may monitor both a constant magnetic field and an alternating magnetic field, and is particularly suitable for magnetic field monitoring of power transmission devices in large power transmission centers.
Patent WO-2021243911-A1 (WO)
Inventor: LIN ZHIMIN
IPC: F16C37/00
Filed: 2020-09-29
Abstract: Disclosed is a cutting machine having an efficient heat dissipation function, comprising a cutting machine body, and further comprises a heat dissipation device used for dissipating heat of a main shaft and bearings of the cutting machine body by means of a flowing coolant. The heat dissipation device comprises a coolant conveying pipe for conveying the coolant for heating parts of the cutting machine body. The coolant conveying pipe comprises two or more branch pipes used for cooling two or more heating parts in one-to-one correspondence. The branch pipes are equipped with valves allowing for the flow of the coolant to match the heat of the heating parts. By using the structure above, compared with the prior art, the present invention can fully cool the bearings and the main shaft, and has a quick heat dissipation speed and high heat dissipation efficiency. In addition, a circulating oil path is provided for the coolant, to reduce coolant pollution and consumption while reducing the usage amount of the coolant, thereby greatly saving the cooling cost.
Patent WO-2021120792-A1 (WO)
Title: 一种视频播放方法、装置、电子设备和存储介质
Inventor: KONG FANYANG
IPC: H04N21/81
Filed: 2020-10-12
Abstract: 本申请公开了一种视频播放方法、装置、电子设备和存储介质；本申请可以播放目标视频，根据所述目标视频的播放进度、以及弹幕调整视频片段在所述目标视频中的起始位置信息和结束位置信息，当确定所述目标视频播放至弹幕调整视频片段时，控制所述弹幕调整视频片段对应的弹幕显示效果，以调整在所述目标视频的显示区域中，所述弹幕对所述弹幕调整视频片段的遮挡程度。
Patent WO-2022056985-A1 (WO)
Title: Calcium carbonate poly(lactic acid-glycolic acid) composite microparticle, and preparation therefor and use thereof
Inventor: LIU ZHUANG
IPC: A61K47/02
Filed: 2020-10-16
Abstract: A calcium carbonate poly(lactic acid-glycolic acid) composite microparticle, and a preparation therefor and the use thereof. For the calcium carbonate poly(lactic acid-glycolic acid) composite microparticle, alkyl-modified NLG919, polylactic acid-glycolic acid and polylactic acid-glycolic acid-polyethylene glycol are used as a shell layer, and calcium carbonate and doxorubicin are used as a core layer. Also disclosed is the use of the calcium carbonate poly(lactic acid-glycolic acid) composite microparticle in the preparation of a drug for tumor chemotherapy or a drug for tumor chemotherapy in combination with immune therapy. The complex particle can be used as a drug carrier, has good drug loading efficiency and tumor enrichment ability, realizes co-loading of the chemotherapy drug DOX and the IDO inhibitor aNLG919, can effectively release the chemotherapy drug doxorubicin and inhibit IDO immunosuppressive pathways, effectively reverses the immunosuppressive microenvironment of a tumor, activates tumor immunity, inhibits tumor growth, and realizes tumor chemotherapy or chemotherapy in combination with immune therapy.
Patent WO-2022041424-A1 (WO)
Inventor: LIU SONGBAI
IPC: C12Q1/6844
Filed: 2020-10-22
Abstract: Provided are a LAMP primer group and a kit for detecting a PML-RARA fusion gene. The primer group comprises a LAMP primer group for detecting a bcr1 gene, a LAMP primer group for detecting a bcr2 gene, and a LAMP primer group for detecting a bcr3 gene. Also provided is a method for detecting the PML-RARA fusion gene. The method comprises: by taking DNA of a sample to be detected as a template, performing loop-mediated isothermal amplification by using the LAMP primer group, then detecting an amplification product, and determining according to a detection result.
Patent WO-2022077615-A1 (WO)
Inventor: LU XINYUN
IPC: B65D88/68
Filed: 2020-11-03
Abstract: 一种可调式纺织料仓管理装置，包括纺织料仓（2），纺织料仓（2）的料腔（4）中部安装有进气管（14），进气管（14）上安装有固定架（16），纺织料仓（2）的外侧还设有用于驱动进气管（14）和固定架（16）构成的整体上下移动的伸缩缸（15），固定架（16）上还安装有与进气管（14）上端连通的温控风机（17），料腔（4）下部的进气管（14）上安装有导流板（8），导流板（8）的中部设有与进气管（14）转动连接的转筒（5），转筒（5）上安装有搅拌叶（6），导流板（8）的下侧安装有通风网筒（9），通风网筒（9）的内壁上安装有振动器（10），通风网筒（9）的下端安装有能够对排料管（12）进行封堵的堵头（11），通风网筒（9）内侧的进气管（14）上还开设有多个排气孔（13）。该纺织料仓（2）排料控制方便，且能够对物料充分混匀、打散、除湿后控制排出，利于纺织料仓（2）的科学化管理。
Patent WO-2021212809-A1 (WO)
Inventor: YUAN FENGBIAO
IPC: G01G19/12
Filed: 2020-11-06
Abstract: L'invention concerne un procédé et un système de chargement de cargaison pour un train de fret à unités multiples. Le procédé de chargement de cargaison comprend les étapes suivantes : mesurer le poids d'un conteneur dédié (1) et une position de projection du centre de gravité du conteneur dédié (1) sur un plan horizontal, le conteneur dédié (1) étant une boîte ayant une forme concordant avec la forme de section d'un wagon (2) du train de fret à unités multiples, et étant utilisé pour charger une cargaison ; selon le principe de symétrie du centre de gravité et le principe de similarité des poids, déterminer une position de chargement et une séquence de chargement du conteneur dédié (1) dans le wagon (2) ; et charger le conteneur dédié (1) selon la position de chargement et la séquence de chargement déterminées. Le procédé de chargement de cargaison peut garantir un agencement rationnel et une répartition de poids équilibrée de cargaisons dans un wagon, et facilite également l'évitement d'un chargement de véhicule déséquilibré et d'un remplissage de cargaisons désordonné.
Patent WO-2022110065-A1 (WO)
Inventor: LIU XIAOFENG
IPC: G03F7/00
Filed: 2020-11-27
Abstract: 一种折射率渐变聚合物波导（30）及其制作方法，制作方法包括：提供一种具有基台定位孔的波导衬底（1）；在波导衬底（1）表面制作聚合物波导下包层（2）；在波导下包层（2）远离波导衬底（1）的表面涂覆具有紫外光敏性的波导芯层（3）材料；利用柔性转印膜模具对波导芯层（3）材料进行热压印，以形成具有压印波导链路结构的波导芯层（3）；对具有压印波导链路结构的波导芯层（3）进行热处理；对热处理后的波导进行预曝光处理；在进行预曝光处理后的波导芯层（3）表面涂覆波导上包层（4）；对波导芯层（3）与波导上包层（4）进行固化。通过上述制作方法，能够批量制得性能稳定的折射率渐变聚合物波导（30），具有良好的经济效益。
Patent WO-2022126452-A1 (WO)
Inventor: REN ZHIJIE
IPC: H01L41/257
Filed: 2020-12-16
Abstract: 一种驻极体膜(100)、制备方法、箱体组件(200)和制冷设备(300)，其中，驻极体膜(100)包括：驻极体材料基体(102)；金属电极(104)，设置于驻极体材料基体(102)的一侧，与驻极体材料基体(102)相贴合。该驻极体膜(100)能够在不外接电源的情况下电极化，并形成静电场，应用在冰箱等设备的保鲜功能上时，能够简化静电场保鲜的结构，降低产生静电场的成本，有利于在冰箱等保鲜设备上实现低成本、高可靠性的静电场保鲜。
Patent WO-2022133645-A1 (WO)
Inventor: LI XIAOLONG
IPC: H04W64/00
Filed: 2020-12-21
Abstract: 本公开涉及信息发送方法和装置、关系确定方法和装置，其中，所述信息发送方法适用于第一终端，包括：响应于与第二终端确定相对空间关系，向所述第二终端发送确定相对空间关系的服务质量信息。根据本公开，第一终端在需要与第二终端确定相对空间关系时，可以将确定相对空间关系的服务质量信息发送给第二终端。据此，可以使得第二终端根据接收到的服务质量信息与第一终端确定相对空间关系，以便第一终端确定的相对空间关系满足所需的服务质量。
Patent WO-2022036973-A1 (WO)
Inventor: JIN XUESHI
IPC: F16H57/08
Filed: 2020-12-23
Abstract: Disclosed are a dual bevel planetary gear transmission mechanism and a handheld mixer using same, the transmission mechanism comprising a driving bevel gear (25) directly or indirectly driven by an electric motor; an inner bevel gear (28) fixedly arranged in a non-rotating manner; a bevel planetary gear carrier (27) rotatably mounted in the inner bevel gear (28); and at least two dual bevel planetary gears (26) uniformly mounted on the bevel planetary gear carrier (27) spaced apart along the circumference, wherein an upper linkage bevel gear (261) of each dual bevel planetary gear (26) meshes with the driving bevel gear (25), and a lower linkage bevel gear (262) thereof meshes with the inner bevel gear (28); and one dual bevel planetary gear (26) is used as an output gear connected to a stirring accessory (4), and an axis crossing angle α formed between an axis of the dual bevel planetary gear (26) serving as the output gear and an axis of the driving bevel gear (25) is an acute angle. The mechanism has a compact structure, a high transmission ratio, a low accessory rotation speed, and little vibration, and can perform three-dimensional stirring in a food stirring process without needing to be manually moved to adjust the stirring effect, thus achieving good stirring quality, easy and comfortable operation, and high safety.
Patent WO-2021253799-A1 (WO)
Title: Full-duplex communication method and apparatus in fiber avionic communication system
Inventor: LIU XIAOJUAN
IPC: H04B10/27
Filed: 2020-12-31
Abstract: The present application relates to a full-duplex communication method and apparatus in a fiber avionic communication system. The apparatus includes a plurality of network controllers (NC). An FC_2V module manages the plurality of network controllers, and queries an execution instruction of each network controller; the FC_2V module receives a first execution instruction of a network controller NC1 at a first time, wherein the instruction instructs the network controller NC1 to send or receive data at a second time, and the FC_2V module sends the instruction; and the FC_2V module queries execution instructions of the other network controllers, queries a second execution instruction which is for instructing data receiving or sending at the second time, and sends the second execution instruction, wherein the data transmission directions instructed by the first execution instruction and the second execution instruction are opposite.
Patent WO-2022151054-A1 (WO)
Title: 图像处理方法及装置、存储介质
Inventor: ZHOU CHANGBO
IPC: H04N5/235
Filed: 2021-01-13
Abstract: 一种图像处理方法及装置、存储介质，该图像处理方法(100)包括：获取拍摄场景的第一动态范围的第一影像(S110)；对第一影像进行分析，确定第一影像中的曝光异常区域(S120)；至少对曝光异常区域的影像进行处理，以获得处理影像(S130)，其中处理影像具有第二动态范围，第二动态范围高于第一动态范围；显示第一影像和处理影像(S140)，以便用户能够直观的观察到当前拍摄条件下的曝光状态，以及在当前拍摄条件下拍摄的图像经过处理后的效果是否符合用户要求，从而能够辅助用户进行曝光控制，实现准确曝光，提升用户的使用体验。
Patent WO-2021196879-A1 (WO)
Title: 车辆驾驶行为的识别方法以及识别装置
Inventor: LI FEI
IPC: G01C21/30
Filed: 2021-02-03
Abstract: 一种车辆驾驶行为的识别方法以及识别装置。识别方法包括：获取高精地图信息以及传感器采集的目标车辆的反馈数据；根据反馈数据与高精地图信息获取目标车辆的目标特征；根据目标特征和贝叶斯网络得到目标车辆的概率值，目标车辆的概率值用于表示该目标车辆的行为状态发生的概率，行为状态包括目标车辆的换道切入驾驶行为，换道切入驾驶行为是指目标车辆换道并切入自动驾驶车辆所在车道的驾驶行为；根据目标车辆的概率值识别目标车辆的行为意图，行为意图包括目标车辆换道并切入自动驾驶车辆所在车道的驾驶行为的意图。该方法能够使得自动驾驶车辆准确地识别其它车辆的行为意图。
Patent WO-2022178697-A1 (WO)
Inventor: XU XIQIANG
IPC: H04W56/00
Filed: 2021-02-24
Abstract: The present invention is suitable for the technical field of time service, and provides a wireless time service method, apparatus and system. The method comprises: obtaining absolute time information sent by an external clock source; correcting a master station system time according to the absolute time information; broadcasting path information to a slave station; receiving feedback of the slave station for the path information, calculating a transmission path delay between the master station and the slave station, and storing the transmission path delay in time information; and sending the time information to the slave station. According to the method, by means of wireless transmission, wireless time service is implemented in an ad-hoc network mode without a network protocol, so that the implementation cost is effectively reduced, and time service stability of a system is improved; moreover, a broadcast mode is used, and no backhaul handshaking information needs to be relied upon, so that the reliability of time service is improved.
Patent WO-2022193323-A1 (WO)
Inventor: WANG QINQIN
IPC: C23C16/448
Filed: 2021-03-19
Abstract: La présente invention concerne un film continu de MoS2 sur un substrat, caractérisé en ce que la taille de domaine du film continu de MoS2 est supérieure à 100 µm (nombre de couches = 1), 10 μm (nombre de couches ≥ 2), respectivement. Les films de MoS2 haute qualité de la présente invention présentent des nombres de couches différents (nombre de couches ≥ 2) sur un substrat. Les films peuvent être continus sur de grandes surfaces (par exemple, 10,16 cm à l'échelle d'une tranche). Les films peuvent être fabriqués sur la base d'un procédé de dépôt chimique en phase vapeur. Les films peuvent être utilisés dans des dispositifs électriques et électroniques (par exemple, des transistors à couches minces haute performance, des dispositifs logiques, des capteurs).
Patent WO-2022037076-A1 (WO)
Title: Communication method and apparatus
Inventor: JIN SHI
IPC: H04B7/10
Filed: 2021-04-01
Abstract: A communication method and apparatus. The method comprises: a network device receiving a first pilot frequency and a second pilot frequency from a terminal device, wherein the first pilot frequency is sent by the terminal device in a first polarization direction, and the second pilot frequency is sent by the terminal device in a second polarization direction; and the network device determining channel information between the network device and the terminal device according to the first pilot frequency and the second pilot frequency. Optionally, the first pilot frequency can be a dense pilot frequency, and the second pilot frequency can be a sparse pilot frequency. By using a flexible pilot frequency configuration, the extrapolation of a channel between different polarization directions or between different antennas in the same polarization direction can be realized, thereby improving the resource utilization rate and reducing channel measurement overheads.
Patent WO-2021204164-A1 (WO)
Title: Communication method and device
Inventor: LIU JUN
IPC: H04W72/04
Filed: 2021-04-07
Abstract: Provided are a communication method and device. The method may comprise: when there is no reserved resource for retransmission in a first instance of transmission on a sidelink, a first communication device and/or a second communication device starting a first timer and/or stopping a second timer; or when there is a reserved resource for retransmission in a first instance of transmission on the sidelink, the first communication device and the second communication device stopping the second timer. In this way, the first communication device and the second communication device jointly control, by means of the first timer and the second timer, the reception of data by the first communication device on the sidelink, such that the first communication device does not need to keep monitoring SCI associated with an HARQ process corresponding to the first instance of transmission, thereby saving on power consumption.
Patent WO-2022205516-A1 (WO)
Inventor: XIAO LINJING
IPC: G09B25/00
Filed: 2021-04-16
Abstract: 一种适用于自然水体的扬矿系统自航式拖曳模拟器及模拟方法，模拟器搭载陀螺姿态控制系统（7）与六自由度台架（8）用于对模拟器整体姿态进行控制，使模拟器模拟出实验工况所要求的采矿船受波流联合作用而产生的横荡、纵荡、艏摇、横摇、纵摇、垂荡六个自由度的运动状态，对模拟器的姿态干预既可是正向的亦可是负向的，以适用于自然水域不可控性，进行减摇减摆或增摇增摆来贴近实验要求工况；可在开阔的自然水体中进行实验，通过远程无线控制，其自身具有自航能力，以及实时采集深海采矿扬矿子系统的动态特性和空间构型等参数，进而可开展更全面且准确的深海采矿系统测试与实验。
Patent WO-2022217665-A1 (WO)
Title: Breathing mask
Inventor: DU XIAOXI
IPC: A62B18/02
Filed: 2021-04-30
Abstract: A breathing mask, comprising a mask body (6), a cover, a filter bag (7) and a power source filter bag (8). The mask body (6) forms a filtered space at the nose of a user, a plurality of ventilation holes (9) are formed in the mask body (6), and connecting parts which connect and fix the cover, the filter bag (7) or the power source filter bag (8) are provided at each of the ventilation holes (9). The filter bag (7) or the power source filter bag (8) is mounted on the connecting part of at least one ventilation hole (9) to maintain the inhalation or exhalation of gas in the filtered space. The filter bag (7) and the power source filter bag (8) each comprise a housing (10), and two ends of the outer portion of each housing (10) can be connected and fixed to the connecting parts of the ventilation holes (9). The pressure inside the filtered space adjusts the entry and exit direction of the gas by means of adjusting the mounting direction of the power source filter bag (8), and maintains a positive pressure or a negative pressure in the filtered space. External gas is filtered and enters the filtered space, and is then exhaled out as a circulation process. The breathing mask can keep pressure balanced inside the mask body, and breathing therewith is more natural and smooth.